MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, many of which point to a redirector service identified as malicious. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=effective+isotropic+radiated+power+pdf', which is also flagged as a malicious redirector. This suggests the document is designed to lead users to malicious infrastructure, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=effective+isotropic+radiated+power+pdf In PDF document text
- http://fedovev.realestate-stlucia.com/uploads/1/3/1/4/131405965/5500528.pdfIn PDF document text
- http://files.motionsong.com/uploads/1/3/0/9/130969885/wixesugodaku.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2092/7655/files/jubekugel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6377/1293/files/22468212994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7046/3895/files/3887300740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/zudebupikasod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0052/8033/files/sutudomalolakosewowuxiwep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5497/1557/files/zuwudok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7070/8125/files/39033723866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5180/9957/files/renal_tubular_acidosis_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6462/3265/files/wivukejupogo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1263/7351/files/banking_regulation_act_updated.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8375/0814/files/41754116578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7154/5237/files/xowilijebatelowog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2599/7722/files/nodazatipok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1253/0081/files/kinesics_communication.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8000 | 5224 bytes |
SHA-256: 1d474f6aa03fa4930d98b904de80e4c904e51331011127c8a299f56243408296 |
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font_01_sfnt_off000091f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91F3 | 10516 bytes |
SHA-256: 3e0ad821d078d4a13377d1437ee1c5da592902eed7052976b882c562f4808369 |
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font_02_sfnt_off0000b623.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB623 | 16064 bytes |
SHA-256: a12e1470c7ae925daad548a12934703a3a60fb09a822252cc73ba90359afbd61 |
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